Earphone



FIG. 1 is a perspective view of an earphone showing our new design, the earphone tip is not part of the claimed design;

FIG. 2 is a front elevational view thereof.

FIG. 3 is a left side elevational view thereof; and,

FIG. 4 is a top plan view thereof.

The broken line disclosure depicts environmental subject matter that forms no part of the claimed design. 

CLAIM The ornamental design for an earphone, as shown and described. 